{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,15]],"date-time":"2023-10-15T06:44:51Z","timestamp":1697352291645},"reference-count":24,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2010,3,24]],"date-time":"2010-03-24T00:00:00Z","timestamp":1269388800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Ther Apher Dial"],"published-print":{"date-parts":[[2010,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The K\/DOQI clinical practice guidelines recommend vitamin D therapy should be started when the intact parathyroid hormone (iPTH) exceeds 300\u2003pg\/mL in patients with secondary hyperparathyroidism. To examine whether the effect of vitamin D therapy on mineral metabolism and parathyroid gland growth varies according to the stage of secondary hyperparathyroidism and iPTH level, 47 patients with secondary hyperparathyroidism received either intravenous or pulse oral vitamin D therapy. The patients were divided into two groups based on the iPTH level at the start of vitamin D therapy: the P<jats:sub>&lt;300<\/jats:sub> group (<jats:italic>N<\/jats:italic>\u2003=\u200323) with iPTH &lt;300\u2003pg\/mL; and the P<jats:sup>\u2265300<\/jats:sup> group (<jats:italic>N<\/jats:italic>\u2003=\u200324) with iPTH \u2265300\u2003pg\/mL. We examined serial changes in several serum mineral parameters and parathyroid gland volume and the cumulative incidence of parathyroidectomy in the first two years. Serum calcium, phosphorus, calcium\u2013phosphorus product, and iPTH levels of the P<jats:sup>\u2265300<\/jats:sup> group were significantly higher than those of the P<jats:sub>&lt;300<\/jats:sub> group, and could not be maintained within the target ranges set by the K\/DOQI guidelines. In contrast, the serum levels of phosphorus, calcium\u2013phosphorus product, and iPTH were maintained within the target ranges and the parathyroid gland did not enlarge in the P<jats:sub>&lt;300<\/jats:sub> group. The cumulative incidence of parathyroidectomy in the P<jats:sup>\u2265300<\/jats:sup> group was significantly higher than in the P<jats:sub>&lt;300<\/jats:sub> group. Early intervention with intravenous or pulse oral vitamin D therapy at serum iPTH &lt;300\u2003pg\/mL can control serum phosphorus, calcium\u2013phosphorus product, and PTH levels to the target ranges and slow the progression of secondary hyperparathyroidism.<\/jats:p>","DOI":"10.1111\/j.1744-9987.2010.00817.x","type":"journal-article","created":{"date-parts":[[2010,3,25]],"date-time":"2010-03-25T04:44:02Z","timestamp":1269492242000},"page":"424-431","source":"Crossref","is-referenced-by-count":2,"title":["Early Intervention With Intravenous or Pulse Oral Vitamin D Therapy Is More Effective in the Treatment of Secondary Hyperparathyroidism"],"prefix":"10.1111","volume":"14","author":[{"given":"Shunsuke","family":"Yamada","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masatomo","family":"Taniguchi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masanori","family":"Tokumoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazuhiko","family":"Tsuruya","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hideki","family":"Hirakata","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mitsuo","family":"Iida","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2010,7,23]]},"reference":[{"key":"e_1_2_7_2_2","doi-asserted-by":"publisher","DOI":"10.1093\/ndt\/17.9.1553"},{"key":"e_1_2_7_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0272-6386(03)00905-3"},{"key":"e_1_2_7_4_2","doi-asserted-by":"publisher","DOI":"10.1038\/sj.ki.5000414"},{"key":"e_1_2_7_5_2","doi-asserted-by":"publisher","DOI":"10.1053\/ajkd.1998.v31.pm9531176"},{"key":"e_1_2_7_6_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.ASN.0000133041.27682.A2"},{"key":"e_1_2_7_7_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1523-1755.2005.00185.x"},{"key":"e_1_2_7_8_2","doi-asserted-by":"publisher","DOI":"10.1053\/j.ajkd.2005.08.013"},{"key":"e_1_2_7_9_2","doi-asserted-by":"publisher","DOI":"10.1093\/ndt\/gfl006"},{"key":"e_1_2_7_10_2","doi-asserted-by":"publisher","DOI":"10.1093\/ndt\/17.suppl_10.37"},{"key":"e_1_2_7_11_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.ASN.0000113243.24155.2F"},{"key":"e_1_2_7_12_2","doi-asserted-by":"crossref","first-page":"2131","DOI":"10.1681\/ASN.V12102131","article-title":"Association 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